What is staking? How proof-of-stake rewards work and how you can lose money
Staking means locking tokens to help run a proof-of-stake blockchain, in return for rewards paid in that token. The stake is collateral: validators that go offline lose a little, and on Ethereum those that break the rules can be slashed.
What is MEV? How sandwich bots profit from your swap, and how to cut the risk
MEV, or maximal extractable value, is the profit made by choosing which transactions go into a block and in what order. Some of it keeps prices in line across exchanges. Sandwich attacks take it straight out of ordinary traders' swaps.
What is BNB Chain? Three chains, 21 block makers and 0.45-second blocks
BNB Chain is three blockchains that all run on BNB: BNB Smart Chain (BSC) for apps, the cheaper layer 2 opBNB and the storage network Greenfield. Its speed comes from a small club: just 21 validators make BSC's blocks at any one time.
What is Solana? Alpenglow explained, from 12.8-second finality to a 150 ms goal
Alpenglow is Solana's new consensus protocol. Its first part, Votor, went live on mainnet on October 21, 2026, replacing TowerBFT and cutting the time for a transaction to become final from about 12.8 seconds to a target of about 150 milliseconds.




